TY  - BOOK
AU  - Sergiovanni,Thomas J.
TI  - Supervision: a redefinition 
PY  - 2002///
CY  - Boston
PB  - McGraw-Hill
KW  - School supervision
KW  - United States
KW  - School management and organization
KW  - School personnel management
N1  - Includes bibliographical references and index
ER  -